Safe Exterior Washing Services for Homes & Businesses. The team at National SoftWash provides exterior cleaning treatments using special low-pressure water flow that is combined with a biodegradable solution that removes mildew, algae, moss, and other stains from the exterior of your home. Our soft wash process is safe, biodegradable, and won’t harm plants or grass. We offer Soft Wash solutions for your home or business. We offer Power Washing, Roof Cleaning, Gutter Cleaning, Exterior Window Cleaning, Siding Cleaning, Brick Washing, Driveway/Patio Cleaning and so much more!